/Engine/Source/Runtime/AudioMixer/Public/AudioMixerBlueprintLibrary.h
Pause recording audio, without finalizing the recording to disk.Byleaving the Submix To Record field blank, you can record the master output of the game.
static void PauseRecordingOutput ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, [USoundSubmix](API\Runtime\Engine\Sound\USoundSubmix) * SubmixToPause )